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-rw-r--r--fs/aio.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 228368610dfa..ae94e1dea266 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1166,7 +1166,10 @@ retry:
break;
if (min_nr <= i)
break;
- ret = 0;
+ if (unlikely(ctx->dead)) {
+ ret = -EINVAL;
+ break;
+ }
if (to.timed_out) /* Only check after read evt */
break;
/* Try to only show up in io wait if there are ops
@@ -1231,6 +1234,13 @@ static void io_destroy(struct kioctx *ioctx)
aio_cancel_all(ioctx);
wait_for_all_aios(ioctx);
+
+ /*
+ * Wake up any waiters. The setting of ctx->dead must be seen
+ * by other CPUs at this point. Right now, we rely on the
+ * locking done by the above calls to ensure this consistency.
+ */
+ wake_up(&ioctx->wait);
put_ioctx(ioctx); /* once for the lookup */
}